| Morphology-controlled fabrication of magnetic phase-change microcapsules for synchronous efficient recovery of wastewater and waste heat | |
Liu, Huan; Tian, Donglin; Ouyang, Mize; Qian, Zhiqiang ; Wang, Xiaodong
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| 2021-11 | |
| 发表期刊 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
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| ISSN | 0021-9797 |
| 卷号 | 608页码:1497-1513 |
| 摘要 | Contamination and waste heat are major issues in water pollution. Aiming at efficient synchronous recovery wastewater and waste heat, we designed a novel CaCO3-based phase-change microcapsule system with an n-docosane core and a CaCO3/Fe3O4 composite shell. The system was fabricated through an emulsion-templated in situ precipitation approach in a structure-directing mode, resulting in a controllable morphology for the resultant microcapsules, varying from a peanut hull through ellipsoid to dumbbell shapes. The system has a significantly enlarged specific surface area of approximately 55 m(2).g(-1) with the CaCO3 phase transition from vaterite to calcite. As a result, the microcapsule system exhibits improved adsorption capacities of 497.6 and 79.1 mg/g for Pb2+ and Rhodamine B removal, respectively, from wastewater. Moreover, increase in the specific surface area of the microcapsule system with a sufficient latent heat capacity of approximately 130 J.g(-1) also resulted in an enhanced heat energy-storage capability and thermal conductance for waste-heat recovery. The microcapsule system also exhibits a good leakage-prevention capability and good multicycle reusability owing to the tight magnetic CaCO3/Fe3O4 composite shell. This study provides a promising approach for developing CaCO3-based phase-change microcapsules with enhanced thermal energy storage and adsorption capabilities for efficient synchronous recovery of wastewater and waste heat. (C) 2021 Elsevier Inc. All rights reserved. |
| DOI | 10.1016/j.jcis.2021.10.060 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.isl.ac.cn/handle/363002/34582 |
| 专题 | 盐湖资源与化学实验室 |
| 推荐引用方式 GB/T 7714 | Liu, Huan,Tian, Donglin,Ouyang, Mize,et al. Morphology-controlled fabrication of magnetic phase-change microcapsules for synchronous efficient recovery of wastewater and waste heat[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2021,608:1497-1513. |
| APA | Liu, Huan,Tian, Donglin,Ouyang, Mize,Qian, Zhiqiang,&Wang, Xiaodong.(2021).Morphology-controlled fabrication of magnetic phase-change microcapsules for synchronous efficient recovery of wastewater and waste heat.JOURNAL OF COLLOID AND INTERFACE SCIENCE,608,1497-1513. |
| MLA | Liu, Huan,et al."Morphology-controlled fabrication of magnetic phase-change microcapsules for synchronous efficient recovery of wastewater and waste heat".JOURNAL OF COLLOID AND INTERFACE SCIENCE 608(2021):1497-1513. |
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| Morphology-controlle（8916KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | 浏览 请求全文 | |
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